Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663

vendor/symfony/validator/Tests/Constraints/IsFalseValidatorTest.php

@@ -0,0 +1,56 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Validator\Tests\Constraints;
+
+use Symfony\Component\Validator\Constraints\IsFalse;
+use Symfony\Component\Validator\Constraints\IsFalseValidator;
+use Symfony\Component\Validator\Validation;
+
+class IsFalseValidatorTest extends AbstractConstraintValidatorTest
+{
+    protected function getApiVersion()
+    {
+        return Validation::API_VERSION_2_5;
+    }
+
+    protected function createValidator()
+    {
+        return new IsFalseValidator();
+    }
+
+    public function testNullIsValid()
+    {
+        $this->validator->validate(null, new IsFalse());
+
+        $this->assertNoViolation();
+    }
+
+    public function testFalseIsValid()
+    {
+        $this->validator->validate(false, new IsFalse());
+
+        $this->assertNoViolation();
+    }
+
+    public function testTrueIsInvalid()
+    {
+        $constraint = new IsFalse(array(
+            'message' => 'myMessage',
+        ));
+
+        $this->validator->validate(true, $constraint);
+
+        $this->buildViolation('myMessage')
+            ->setParameter('{{ value }}', 'true')
+            ->assertRaised();
+    }
+}